2025春人教版英语七下Unit 1 第4课时 Section B（1a-1d）（分层作业）（解析版）

Unit1AnimalFriends第四课时（SectionB1a—1d）分层作业一、单词拼写1．Thedoctortriedto(救，救助)theoldwoman.【答案】save【详解】句意：医生试图拯救这位老妇人。救，救助：save，动词；trytodosth.意为“试图做某事”，固定词组。故填save。2．InsomeWesterncountries,peoplethinkthenumber7canbringthemgood(运气)!【答案】luck【详解】句意：在一些西方国家，人们认为数字7能给他们带来好运。根据句子和单词提示可知，空处应填意为“运气”的名词，luck“运气”，不可数名词，goodluck“好运”。故填luck。3．Ourteacheraskedusto(捡起)thelitterontheplaygroundbeforeweleft.【答案】pickup【详解】句意：老师让我们在离开之前捡起操场上的垃圾。根据汉语提示“捡起”可知，其对应的英文表达是pickup。asksbtodosth.“要求某人做某事”。故填pick；up。4．Mariooftenc(扛)theheavyboxfortheoldmaninhisvillage.【答案】(c)arries【详解】句意：马里奥经常为村里的老人搬那个沉重的箱子。根据汉语提示可知，carry扛，搬重物。又根据句意是经常做的事情，用一般现在时，马里奥为第三人称单数，故用三单形carries。故填(c)arries。5．Smilesonthe(swim)facesshowedhowtheyenjoyedtherace.【答案】swimmers’【详解】句意：游泳运动员脸上的微笑显示了他们是多么享受这场比赛。swim“游泳”；根据题干“Smilesonthe…facesshowedhowtheyenjoyedtherace”，可知说的是游泳运动员，swimmer“游泳运动员”符合语境；空处修饰名词faces需用形容词或相当于形容词的词，可知用swimmer的所有格作定语；由“they”可知swimmer用复数形式，故填swimmers’。6．Wealwaysgreet(互相)inthemorning.【答案】eachother【详解】句意：我们总是在早上互相问候。eachother“互相”，固定短语。故填each；other。7．Aswegrowup,weshouldlearntoourselveswell.(照顾)【答案】lookafter/takecareof/carefor【详解】句意：随着我们的成长，我们应该学会好好照顾自己。动词短语lookafter、takecareof和carefor都表示“照顾”，learntodosth“学会做某事”。故填lookafter/takecareof/carefor。8．Asavolunteeratthe19thAsianGames,Iworkedwithpeoplefromdifferent(文化).【答案】cultures【详解】句意：作为第19届亚运会的志愿者，我和来自不同文化背景的人一起工作。culture“文化”；different后跟名词复数形式。故填cultures。9．(然而),hedoesn’tunderstandtheimportanceoftheproblem.【答案】However【详解】句意：然而，他并不理解这个问题的重要性。根据汉语提示以及空后的逗号可知，用however“然而”，开头字母要大写，故填However。10．Peopleshouldn’tk(杀死)theelephantsfortheirivory.【答案】(k)ill【详解】句意：人们不应该因为象牙杀死大象。杀死：kill，情态动词后加动词原形。故填(k)ill。11．Peopleshouldplantmoretreesinsteadof(砍伐)thetrees.【答案】cuttingdown【详解】句意：人们应该种更多的树，而不是砍伐树木。cutdown“砍伐”，insteadof是介词短语，其后加动名词作宾语，故填cuttingdown。12．Onetreecan’tmakeaf(森林),soweneedteamwork.【答案】(f)orest【详解】句意：独木不成林，所以我们需要协同工作。根据“Onetreecan’tmakea…”和首字母提示可知，此处应填forest（森林），a后加单数。故填(f)orest。13．It’sourdutytoprotecttheanimalsthatareingreat(危险).【答案】danger【详解】句意：这是我们的责任去保护那些处于巨大危险中的动物。根据中文提示可知，此空应填danger表示“危险”，indanger“处于危险中”，故填danger。14．It’s（make）ofwoodandglass.【答案】made【详解】句意：它是用木头和玻璃做的。根据“It’s…（make）ofwoodandglass.”可知，此处表示它是用木头和玻璃做的，bemadeof“由……制成”。故填made。15．(luck),hefelloffthetreeandbrokehisleg.【答案】Unluckily【详解】句意：不幸的是，他从树上摔了下来，摔断了腿。根据“hefelloffthetreeandbrokehisleg”可知是，不幸的是，空格处修饰整个句子，应用副词，unluckily“不幸地，不幸的是”符合题意，句首首字母要大写，故填Unluckily。二、单项选择16．Theenvironmentwillbeingreatdanger.划线部分的词性是什么？A．名词 B．形容词 C．副词【答案】A【详解】句意：环境将处于极大的危险之中。考查单词词性。danger此处表示“危险”，是不可数名词。故选A。17．LookattheGuangyuanColdNoodles!It______rice.A．isgoodat B．ismadeof C．isgoodwith D．isbadfor【答案】B【详解】句意：看这广元冷面！它是用大米做的。考查短语辨析。isgoodat擅长；ismadeof由……制作；isgoodwith善于和……相处；isbadfor对……有坏处。根据“rice”可知，广元冷面是由大米制作的。故选B。18．Iamnothappybecausethereare________rulesand________homeworkathome.A．toomany,toomuch B．toomuch,toomany C．toomany,toomany【答案】A【详解】句意：我不开心，因为在家有太多的规矩和太多的家庭作业。考查短语辨析。toomany“许多”，后加复数名词；toomuch“太多”，后加不可数名词。rules是复数名词，故用toomany；homework是不可数名词，故用toomuch。故选A。19．Whatwereyoudoinglastnight?Icalledyoufivetimes,butyoudidn’t_______.A．fixup B．pickup C．cleanup D．setup【答案】B【详解】句意：你昨晚在做什么？我给你打了五次电话，但你都没接。考查动词短语。fixup修理；pickup拿起；cleanup打扫干净；setup建立。根据“Whatwereyoudoinglastnight?Icalledyoufivetimes”可知是指打电话没接，故选B。20．—Ithinkpeopleshouldstop________trees.—Iagree.Instead,moretreesshouldbeplantedtoprotecttheenvironment.A．lyingdown B．cuttingdown C．turningdown【答案】B【详解】句意：——我认为人们应该停止砍树。——我同意。相反，应该种植更多的树木来保护环境。考查动词短语。lyingdown躺下；cuttingdown砍伐；turningdown拒绝。根据“Instead,moretreesshouldbeplantedtoprotecttheenvironment.”可知，这里谈论的是砍树和环保问题，应用cuttingdown。故选B。三、完形填空Redkangaroosarethelargestmarsupial(有袋类动物)intheworld.Theylive21Australia.Theygettheir22fromtheredcoloroftheirfur(皮毛).Redkangaroosareso23andspecialthatlotsofpeoplelovethem.Let’s24moreaboutredkangaroos.Theredkangarooisspecial25ithasapouch(育儿袋).Thepouchisvery26.Amotherredkangaroo27thispouchtocarryheryoungbaby.Theyoungbabyfeelscomfortablewhenheorshestaysinsidethepouchinbad28,suchasonarainyday.Atbirth,ababyredkangarooissmallerthanastrawberry.However,heorshe29veryfast.Anadult(成年的)redkangaroocanreachaheightof1.5meters,alittle30thantheaverageadulthuman.Theyareveryheavyandsome31morethantwohundredpounds.Redkangarooscanjumpfarand32.Amale(雄性的)redkangaroocanjumpmorethanthirty﹣fivemilesevery33.Heuseshisverystrongback34tojump.Hecanalsousethemtoprotect35.Amaleredkangaroocanusehisshortfrontlegsandstrongbacklegstofightagainstanenemy(敌人)whenheisindanger.21．A．in B．at C．on D．to22．A．age B．food C．name D．size23．A．cute B．dangerous C．scary D．normal24．A．forget B．remember C．show D．learn25．A．unless B．until C．although D．because26．A．heavy B．new C．important D．old27．A．uses B．makes C．takes D．refuses28．A．luck B．health C．shape D．weather29．A．walks B．grows C．stands D．wakes30．A．bigger B．longer C．shorter D．smaller31．A．is B．was C．were D．are32．A．loudly B．fast C．slow D．quietly33．A．week B．year C．hour D．month34．A．head B．neck C．arms D．legs35．A．itself B．himself C．herself D．themselves【答案】21．A22．C23．A24．D25．D26．C27．A28．D29．B30．C31．D32．B33．C34．D35．B【导语】本文是一篇说明文。主要介绍了红袋鼠的基本信息。21．句意：他们居住在澳大利亚。in在……里面；at在；on在……上面；to向。根据文中“Theylive…Australia”可知，居住在Australia这个国家用介词in。故选A。22．句意：它们的名字来源于皮毛的红色。age年龄；food食物；name名字；size尺寸。根据文中“Theygettheir…fromtheredcoloroftheirfur”可知，此处指他们的名字的由来。故选C。23．句意：红袋鼠是如此可爱和特别，以至于很多人都喜欢它们。cute可爱的；dangerous危险的；scary可怕的；normal正常的。根据文中“Redkangaroosareso…andspecialthatlotsofpeoplelovethem”可知，此处指红袋鼠是如此可爱和特别，以至于很多人都喜欢它们。故选A。24．句意：让我们了解更多关于红袋鼠的信息。forget忘记；remember记得；show展示；learn了解。根据文中“Let’s…moreaboutredkangaroos.”以及下文可知，此处指接下来学习更多的关于红袋鼠的知识。故选D。25．句意：红袋鼠很特别，因为它有一个袋子。unless除非；until直到；although尽管；because因为。根据文中“Theredkangarooisspecial…ithasapouch”，此处指的是红袋鼠特别的原因，前后为因果关系。故选D。26．句意：育儿袋非常重要。heavy重的；new新的；important重要的；old老的。根据文中“Amotherredkangaroo…thispouchtocarryheryoungbaby”可知，此处指红袋鼠的育儿袋是重要的。故选C。27．句意：一只红袋鼠妈妈用这个育儿袋来抱她的小宝宝。uses使用；makes制造；takes拿；refuses拒绝。根据文中“Theyoungbabyfeelscomfortablewhenheorshestaysinsidethepouch…”可知，此处指袋鼠妈妈育儿袋的作用是装小宝宝的。故选A。28．句意：在恶劣的天气里，比如下雨天，当婴儿呆在育儿袋里时，他或她会感到舒适。luck运气；health健康；shape形状；weather天气。根据文中“suchasonarainyday”可知，此处指的是在恶劣的天气中。故选D。29．句意：然而，他或她成长地非常快。walks走路；grows成长；stands站立；wakes唤醒。根据文中“Atbirth,ababyredkangarooissmallerthanastrawberry”以及“Anadultredkangaroocanreachaheightof1.5meters,alittle…thantheaverageadulthuman”可知，红袋鼠的成长速度很快。故选B。30．句意：一只成年红袋鼠可以达到1.5米的高度，比普通成年人类略短。biggger更大的；longer更长的；shorter更短的；smaller更小的。根据文中“Anadultredkangaroocanreachaheightof1.5meters”可知，成年的红袋鼠可以达到1.5米的高度，比普通成年人身高略短。故选C。31．句意：它们很重，有些超过200磅。is是，单数；was是，is的过去式；were是，are的过去式；are是，复数。根据文中“Theyareveryheavyandsome…morethantwohundredpounds.”可知，有些红袋鼠体重是超过200磅，主语some“一些”，时态为一般现在时。故选D。32．句意：红袋鼠能跳得又远又快。loudly响亮地；fast快速地；slow慢速地；quietly平静地。根据文中“Redkangarooscanjumpfarand…”以及“Amaleredkangaroocanjumpmorethanthirty﹣fivemilesevery…”可知，成年雄性红袋鼠能够跳的又远又快。故选B。33．句意：一只雄性红袋鼠每小时能跳35英里以上。week周；year年；hour小时；month月。根据文中“Redkangarooscanjumpfarandfast.”可知，红袋鼠跳的很快，每小时35英里的速度符合语境。故选C。34．句意：他用他非常强壮的后腿去跳。head头；neck脖子；arms胳膊；legs腿。根据文中“Hecanalsousethemtoprotect…Amaleredkangaroocanusehisshortfrontlegsandstrongbacklegstofightagainstanenemywhenheisindanger.”可知，红袋鼠用强壮的后腿不仅可以跳，还可以保护自己不受敌人的伤害。故选D。35．句意：他也可以用它们来保护自己。itself它自己；himself他自己；herself她自己；themselves他们自己。根据文中“Heuseshisverystrongbacklegstojump.Hecanalsousethemtoprotect…”可知，此处主语为He，根据文中所表达的意思是他用腿来保护他自己。故选B。四、阅读理解AItseemsthatsomeanimalscanknowwhenanearthquake(地震)willcome.Thiscanbeimportant,becauseearthquakescankillpeople.Ifanimalscanpredicttheearthquake,theymayhelpsavepeople’slives.Someanimalsmakealotofnoisebeforeanearthquake.Ifdogsareusuallyquiet,theywillbark(吠叫)loudlybeforeanearthquake.Andyoucanseesomestrangethingsonotheranimals.Miceleavetheirhomesandrunaway.Fishjumpoutofthewater.InItaly,lotsofcatsrandownthestreetstogether.Onlyafewhourslater,anearthquakecame.IntheUS,amanhadsomesmallpetfrogsinhishouse.OneSundaynight,thefrogskeptjumpingaroundandmadeloudnoise.Thiswokeuptheman.Thatnight,againitwasanearthquakeandluckily,themanwassaved.Rightnow,thereisnosurewaytoknowwhenanearthquakeiscoming.Butscientiststhinkthatwatchinganimalbehavior(行为)mayhelp.36．Whatdosomeanimalsdobeforeanearthquake?A．Keepquiet. B．Jumpintowater. C．Stayathome. D．Shoutloudly.37．WhichanimalisNOTmentionedinthepassage?A．Ahorse. B．Amouse. C．Afish. D．Acat.38．Inthefirstparagraph,theword“predict”means(意思是)________.A．knowlater B．knowearlier C．describe D．stop39．WhatcanweknowfromthestoryofthemanintheUS?A．Heheardaloudnoisefromoutside. B．Hewasunhappybecausethefrogswokehimup.C．Hisfrogssavedhislife. D．Heknewtheearthquakeandtoldpeopletorun.40．Whatisthemainideaofthepassage?A．Earthquakecanbeverydangerousforpeople.B．Someanimalscanpredictearthquakesandsavepeople’slives.C．Animalsareasurewaytotellwhenanearthquakeiscoming.D．Animalbehaviorsometimescanbedifferent.【答案】36．D37．A38．B39．C40．B【导语】本文主要介绍了某些动物在地震前会表现出异常行为，这些行为可能预示着地震的到来，从而帮助人们提前做好准备。36．细节理解题。根据“Someanimalsmakealotofnoisebeforeanearthquake.”，可知一些动物在地震前会制造很多噪音。而D选项“Shoutloudly”与“makealotofnoise”意思相近，表示大声叫喊或制造噪音。故选D。37．细节理解题。根据“Miceleavetheirhomesandrunaway.Fishjumpoutofthewater.”以及“InItaly,lotsofcatsrandownthestreetstogether.”可知文中提到了老鼠、鱼、猫的异常行为。但并未提及马这一动物。故选A。38．词句猜测题。根据文中“Ifanimalscanpredicttheearthquake,theymayhelpsavepeople’slives.”，可知“predict”在这里表示的是提前知道地震将要发生，从而可能帮助拯救人们的生命。选项中只有B选项“knowearlier”与“predict”意思相近，表示提前知道。故选B。39．细节理解题。根据“Thiswokeuptheman.Thatnight,againitwasanearthquakeandluckily,themanwassaved.”，可知是这个男人的青蛙通过制造噪音唤醒了他，而随后发生了地震，他因此得救。所以我们可以知道是这个男人的青蛙救了他的命。故选C。40．主旨大意题。根据全文内容，文章主要介绍了有些动物能够预测地震并可能帮助拯救人们的生命，同时强调了地震的危险性，但主旨是围绕动物预测地震的能力展开的。因此，B选项“Someanimalscanpredictearthquakesandsavepeople’slives”最能概括文章的主旨。故选B。BThere’sabigzooinourcity.It’saboutfivekilometersawayfrommyhouse.Iloveallkindsofanimalsthere,suchasmonkeys,bears,pandas,tigersandlions.Andlikeotherchildren,Iliketospendtimewatchingthemthereonweekends.Someanimalsarefriendly,butsomearenot.Tigers,lionsandbearsaredangerous,sotheyhavetostayincages(笼子).ButIdon’tthinkit’sgoodforanimalstostayincages.Theyarenothappy.Theyshouldbefree.Tigersandlionsusuallyliveinforests.Theycanrunveryfastthere.Theycatchandeatsmallanimalslikerabbits.Butnowinthezoo,theyliveinsmallrooms.Theywalkinthecages,andtheywanttogetout.Ifeelsorryforthem.Iwanttohelpthemgetout,butIcan’t.根据短文内容判断句子的正误。正确的涂A，错误的涂B。41．Thewriterthinksanimalsinthezooarehappy.42．Somesmallanimalsarefoodofotheranimalsliketigersandlions.43．Thewriterdoesn’tthinkit’sgoodtokeepanimalsinthezoo.44．Tigers,lionsandbearsareindanger,sotheyhavetostayincages.45．ThewritergoestowatchtheanimalsonSaturdaysandSundays.【答案】41．B42．A43．A44．B45．A【导语】本文主要讲述了作者周末去动物园里看动物，并认为动物在动物园里不开心。41．细节理解题。根据“Theyarenothappy”可知作者认为动物园里的动物不开心。故选B。42．细节理解题。根据“Tigersandlionsusuallyliveinforests.Theycanrunveryfastthere.Theycatchandeatsmallanimalslikerabbits.”可知一些小动物是其他动物的食物，如老虎和狮子。故选A。43．细节理解题。根据“ButIdon’tthinkit’sgoodforanimalstostayincages.”可知作者认为把动物养在动物园里不好。故选A。44．细节理解题。根据“Tigers,lionsandbearsaredangerous,sotheyhavetostayincages(笼子)”可知是因为老虎、狮子和熊本身很危险，所以待在笼子里，而不是它们处于危险的境地。故选B。45．细节理解题。根据“Iliketospendtimewatchingthemthereonweekends.”可知作者在星期六和星期天去看动物。故选A。CDogsareourfriends.Theyarealwayswithusontheearth.46Dogsaresmartandcute.Someofthemarebigandsomearesmall,buttheyareallgoodatrunning.Theyarefunnyandtheyliketoplaywithpeople.47Whetherwearehappyornot,theyarealwayswithus.Butforbadpeopleorstrangers(陌生人),theycanbeveryscary.48Therearemanykindsofdogsandmostofthemareusefultous.Asheepdogcanhelpthefarmers.Awatchdogcankeepourhousessafe.49Andaguidedogcanhelpblindpeople(盲人)walk.Petdogsareourfavorites.Theyarereallycuteandbringusmuchfun.Dogsaregreatanimals.50阅读短文内容，把A—E五个句子填入文中空缺处，使短文内容完整。A．Dogscanhelpusalot.B．Whydowelikethemsomuch?C．Apolicedogcanhelpthepolicewiththeirwork.D．Weshouldlovethem.E．Dogsarefaithful(忠诚的)andfriendlytous【答案】46．B47．E48．A49．C50．D【导语】本文介绍了狗是人类的好朋友，并提到了狗在很多方面能够帮助我们。46．根据“Dogsaresmartandcute.”可知，后文开始描述了狗的优点，因此选项B“为什么我们这么喜欢它们？”符合语境。故选B。47．根据“Whetherwearehappyornot,theyarealwayswithus.”可知，后文讲述了狗会陪伴人类。选项E“狗对我们既忠诚又友好”符合语境。故选E。48．根据“Therearemanykindsofdogsandmostofthemareusefultous.”可知，后文提到了狗的用处。选项A“狗可以帮助我们很多。”符合语境。故选A。49．根据“Awatchdogcankeepourhousessafe.”以及“Andaguidedogcanhelpblindpeople(盲人)walk.”可知，设空处前后都介绍了工作犬，选项C“警犬可以帮助警察工作。”符合语境。故选C。50．根据“Dogsaregreatanimals.”并结合设空处的位置，可知此处应该总结全文，选项D“我们应该爱它们。”符合语境。故选D。五、任务型阅读阅读下面短文，根据短文内容回答问题。Whichonedoyouthinkis“theking(王)oftheanimals”,theelephant,thelionorthetiger?Theyareallsmartandstrong.ButIthinkthetigeris“thekingoftheanimals”.Ifyoutakealookatthetiger,youcanfindaChinesecharacter(汉字)“WANG”onthetiger’sforehead(额头).Thecharactermeans“theking”inChinese.MosttigerscomefromChinaandIndia(印度).Theylookscary.Theylikeeatingmeat.Tigerscanrunveryfastandtheyarealsogoodswimmers.Tigersneedlotsofsleep,andtheysleepforabout15hourseveryday.Somepeoplethinktheyaredangerous.Buttheydon’tknowtigersareindangernow.Intheearly20thcentury(世纪),thenumberoftigerswasabout100,000.Buttodaythenumberisonlyafewthousand.Peoplekilltigersformoney.Peoplealsocutdowntoomanytrees.Somanytigerslosetheirlivesandhomes!Therearemanypeoplearoundtheworldtryingtohelpsavetigers.Itisofgreatimportanceforeveryonetosavetigers.Let’stakeactions(行动)now!51．Whatdoesthecharacteronthetiger’sforeheadmeaninChinese?52．Wheredomosttigerscomefrom?53．Howlongdotigerssleepeveryday?54．Whydomanytigerslosetheirlivesandhomes?55．Isitimportantforustohelpsavetigers?【答案】51．Theking.52．ChinaandIndia.53．Forabout15hours.54．Becausepeoplekilltigersformoneyandcutdowntoomanytrees.55．Yes,itis.【导语】本文主要介绍了老虎被称为“老虎之王”的原因、老虎来自的国家，最后呼吁我们要保护老虎。51．根据“Ifyoutakealookatthetiger,youcanfindaChinesecharacter(汉字)‘WANG’onthetiger’sforehead(额头).Thecharactermeans‘theking’inChinese.”可知，老虎的额头上有一个汉字“王”，这个字在中文中的意思是“国王”。故填Theking.52．根据“MosttigerscomefromChinaandIndia”可知，大多数老虎来自中国和印度。故填ChinaandIndia.53．根据“Tigersneedlotsofsleep,andtheysleepforabout15hourseveryday.”可知，老虎需要充足的睡眠，它们每天大约睡15个小时。故填Forabout15hours.54．根据“Peoplekilltigersformoney.Peoplealsocutdowntoomanytrees.Somanytigerslosetheirlivesandhomes!”可知，人们为了钱杀老虎，人们还砍伐了太多的树木，很多老虎失去了生命和家园。故填Becausepeoplekilltigersformoneyandcutdowntoomanytrees.55．根据最后一段“Itisofgreatimportanceforeveryonetosavetigers.”可知，拯救老虎对每个人来说都非常重要。故填Yes,itis.六、短文填空阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。InJuly,avideo(视频)caughtpeople’seyes.Anelephantcameintoa56(person)homethroughthedoor.Twodogsbarkedattheelephant.57(luck),theelephantdidn’thurtthetwodogs.Hejust58(eat)abagofrice